pectinate muscle


Any of the prominent ridges of atrial myocardium located on the inner surfaces of much of the right atrium and of both auricles.

Nearby words

  1. pectic acid,
  2. pectin,
  3. pectinaceous,
  4. pectinate,
  5. pectinate line,
  6. pectinate zone,
  7. pectineal,
  8. pectineal ligament,
  9. pectineal line of pubis,
  10. pectineal muscle

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.